Trademarks

ZURNAI

Serial number: 98597572
Registration number: 8244791
Filed: 2024-06-12
Registered: 2026-05-05
Status: Registered (USPTO status code 700, 2026-05-05; as of the dataset)
Classes: 005
Elsewhere: USPTO TSDR record (current status) ↗
Source: TRTDXFAP, file of 2026-08-20

Goods and services

Pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Pharmaceuticals, namely, opioid antagonists; Injectors filled with pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Injectors filled with opioid antagonists; Injectable pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Injectable pharmaceuticals, namely, opioid antagonists

Owners

Owner	Role	Entity	Place	Also on furp.org	Source
Purdue Pharma L.P.	Original applicant, Owner at publication, Original registrant	Entity Code 13	Stamford, CT	PURDUE PHARMA L.P. State business registration EXACT high confidence: identical full name and state	TRTDXFAP, file of 2026-08-20
KNOA PHARMA LLC	New owner after registration	Limited Liability Company	STAMFORD, CT		TRTDXFAP, file of 2026-08-20

Assignment history

Recorded	What	From	To	Reel/frame	Source
2026-05-18	Assignment Assigns the entire interest	PURDUE PHARMA L.P.	KNOA PHARMA LLC STAMFORD, CT	9274/281	TRTDXFAG, file of 2026-08-14

USPTO bulk data: the Trademark Case Files Dataset (TRCFECO2; the latest release, March 2024, runs through 2023) for marks, owners, classes and goods and services; the Trademark Assignment Dataset (TRASECO) for assignments. Marks filed in the last 20 years, plus older marks still registered. Status here is read from the dataset’s dates and status code; TSDR has the current status. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.